Question

give examples to show that friction is friend and foe

Answer 1

friction is a friend and a foe
 when friction is a friend :
1. friction allows us to walk
2. friction allows us to write
3. friction allows us to have grip in anything

friction as a foe or a enemy :
1. it wears and tears out machines
2. it produces extra heat and energy

if this helped you please mark me as brainiest

Answer 2

Friction as friend:
1.We are able to walk because of friction.
2.Friction between the tip of pen and the page allows us to write on it.
Friction as foe:
1.Friction between the different parts of machine produces heat which can damage the machine.
2.Tyres and sholes of shoes are wear out because of friction..
hope it helps you...